Year	MJ/$2011 PPP GDP
1990	5.69379107404743
1991	5.86887038788894
1992	5.68641558061942
1993	5.6651729920138
1994	5.53701016456783
1995	5.71755350945723
1996	5.81833098451911
1997	5.40683875946475
1998	5.21195956673755
1999	4.87871903936957
2000	4.72271010983702
2001	4.75822776383431
2002	4.8171458155766
2003	4.97192505879575
2004	4.95373288871586
2005	4.76817922265993
2006	4.55400470131192
2007	4.38665703122714
2008	4.27648763341541
2009	4.35082120282203
2010	4.58962858539627
2011	4.18487985410424
2012	4.25401582188092
2013	4.24529895806393
2014	3.96462696640638
2015	3.93663033533435